Medifast plans deliver effective weight loss while maintaining lean muscle mass.
We combine simplicity, variety, and flexibilty.

*On your initial 30-Day kit. Exclusively with enrollment in Medifast Advantage®. Minimum purchase required. Limit one per customer. Not valid with prior purchase or any other promotions or discounts. Get details here

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We have weight loss plans to fit every budget and lifestyle. Medifast is the brand recommended by over 20,000 Doctors since its founding

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Why Medifast works

Doctor developed, clinically proven, Medifast works with your body to burn away fat while you maintain muscle mass.

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"I really feel like the me I'm supposed to be. If I can do it, anyone can!"

  • - Brooke
  • Marketing Consultant
  • Johnston, IA

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Featured Products

Best Sellers & Customer Favorites

Peanut Butter Crunch Bar
Peanut Butter Crunch Bar
Only 2.79 per serving
(sold in 7-serving box)
Dutch Chocolate Shake
Dutch Chocolate Shake
Only 2.79 per serving
(sold in 7-serving box)
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Medifast, Inc., Health & Wellness, Owings Mills, MD HACKER SAFE certified sites prevent over 99.9% of hacker crime.Medifast makes no claim that these results are representative of all participants on the Medifast Program. Medifast recommends you consult with a physician before starting a weight-loss program. Medifast is the brand recommended by more than 20,000 doctors since its founding.

Shikany, J. M., A. S. Thomas, T. M. Beasley, C. E. Lewis and D. B. Allison (2013). "Randomized controlled trial of the Medifast 5 & 1 Plan for weight loss." Int J Obes (Lond) 37(12): 1571-1578. View Study